Java
What is the Kafka parameter acks and what are its values?
Альфа-БанкWhat is batch consumption in Kafka and why is it faster than processing one message at a time?
Альфа-БанкShow in code or pseudocode how to implement a Circuit Breaker and fallback for calling recommendations.
What does durability in ACID mean and how is it implemented in PostgreSQL through WAL?
Альфа-БанкHow to evaluate the effectiveness of an added index for a slow SQL query?
Альфа-БанкHow to scale message processing on the Kafka consumer side; what is a partition and how are messages distributed across partitions?
Альфа-БанкWhat does @Cacheable do, where is data stored, and how do you clear the cache?
Альфа-БанкHow many instances did the calculation service have?
How to fix an orchestrator with two independent external calls to meet the 10-second business limit when service durations are 10 and 2 seconds?
What advantages do you see in microservices compared to monoliths?
Альфа-БанкHow to design request handling for different types in Spring without constantly adding if/else branches?
Альфа-БанкDoes the number 50 in VARCHAR(50) mean bytes or characters?
Альфа-БанкWhat does @Async do, when it is used, and how to get the result of an asynchronous call?
Альфа-БанкHow do @Component, @Service, and @Repository annotations differ in Spring?
Альфа-БанкWhy is a custom broker used instead of Kafka or RabbitMQ; what are its advantages and disadvantages?
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